The ornamental design for a housing of head-mounted virtual reality display device, as shown and described.
FIG. 1 is a perspective view of a housing of head-mounted virtual reality display device showing our new design;
FIG. 2 is another perspective view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a rear view thereof;
FIG. 5 is a left side view thereof;
FIG. 6 is a right side view thereof;
FIG. 7 is a top view thereof;
FIG. 8 is a bottom view thereof;
FIG. 9 is a cross-sectional view taken along line 9-9 in FIG. 3;
FIG. 10 is a cross-sectional view taken along line 10-10 in FIG. 3; and,
FIG. 11 is a perspective view thereof in a using state, which the housing of head-mounted virtual reality display device is combined with a virtual reality display to be combined into a head-mounted virtual reality display device and worn on a user's head.
The dashed broken lines in FIG. 11 are for the purpose of depicting environment that form no part of the claim design.